Books
What I've learned, put into a form other people can use.
Books and digital products that gather what I've learned — not just about technology. The catalogue grows over time; for the details on individual titles, the shop is the right place to look.
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FormatEbooks and digital resources
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TopicsNot just technology
Keep exploring
The other ideas that took shape, from the same instinct to build.
Repetita
Personalized study material, mock exams and homework help, powered by multi-model AI that adapts to how you learn.
Learn moreOkkupa
Booking and managing shared workplace spaces and resources: desks, meeting rooms and assets, with availability rules and usage dashboards.
Learn moreArgus
AI-driven market forecasting for crypto: quantitative prediction, a multi-agent analysis pipeline and built-in backtesting.
Learn moreOrion
An offline desktop PDF editor: reads, edits text and images, annotates and reorganizes pages, then saves a normal PDF. No account, no cloud.
Learn moreIris
Turns a list of companies and email addresses from a PDF, Excel or CSV file into personalized emails, sent in a single SMTP batch.
Learn moreProteus
Bulk-replaces logo and graphic files across an entire folder tree: finds matches, shows a before/after preview, and overwrites with recoverable backups.
Learn more